Common disease prevention and control measures for vegetables
One, tomato
1. Early blight
Aã€Prevention: From the seedling stage, the weak seedlings with thin and tender leaves are sprayed with seaweed extract 600 times times the “magic square†number 2 700 times in a continuous cloudy or scattered light condition to control the indoor or seedbed. Humidity, under conditional conditions, make up with light.
B. Control of Diseases: When a diseased plant is found, it should be sprayed dry with mancozeb or 600 times + “magic square†2x 600 times + beer 400x spray and sprayed once every 6-8 days.
2. Late blight
A. Prevention: When the temperature is too high, humidity is high, ventilation is poor, or in the morning, it is found that the back of the leaf is immersed with water spots, and 150 times of sugar is used + 150 times of vinegar and 600 times of “magic square†No. 2 Spray on the foliage and spray again at intervals of 6-7 days. If the ventilation is improved and the light is sufficient, spray it again 8-10 days apart.
B. Controlling Diseases: When black leaves and black stems (black skins in stems) have been found, use 300 times as much as diethylphosphorus aluminum or 800 times as metalaxyl as soon as possible after drying or in the evening, or 2,000 times as fast as the Rubik's Cube. "No. 2 600 times + glucose 300 times + vinegar 300 times, spray once every 4 days.
Watering should be done in the morning and poured before noon. After pouring for two hours, it is gradually released and can be effectively controlled in time.
3, gray mold
Aã€Prevention: Pay attention to the stuffy shed after watering, refer to downy mildew, when the light is insufficient, the air humidity is high, and the temperature is kept low at 16-24°C, the leaves are thin. Spray the "magic cube" No. 2 800 times + Tetrix 600 times + seaweed fines 800 times and spray once every 8-12 days.
B. Disease control: 300 times with Trixe + 1000 times with Prodige + 800 times with Rubik's Cube 2 and 500 times with Scherfon.
This party sprays in the evening and it is better to spray water after spraying.
If you have entered the peak of disease, you must first remove the diseased fruit and diseased leaves in the morning, and then use Nongli Ling 400 times + "Rui Fang" 2 400 times + 500 times 500 times + seaweed 1000 times to the ear Part spray.
4, virus disease
A. Prevention: (1) Seed soaking treatment before seeding, using the disinfection to flee for 1000 times or Bolian BIOX 300 times soaking, after soaking wash with warm water again, and then germination or live. (2) Prevent soil cracking and drought. (3) Prevent smokers from operating the spread. (4) Preventing the right to abuse or human body friction. (5) Spray 300 times with pyrimedosin (Bonzobiocin) at seedling stage and water once.
B. Disease control: When it has been found that there is mosaic virus or fern leaf virus or from the dwarf virus, 200-300 times of pyrimizin can be used, or 1000 times of disinfection can be avoided + 600 times of “magic square†2 and 500 times of seaweed extract , Universal spray, individual diseased shoots with roots combined, interval 6-9 days, twice.
5. Umbilical rot
It is a physiological disease that is mainly caused by soil drought, watering once saturated and causing calcium deficiency.
A, Prevention: Enter the fruit-bearing period or the fruit expansion period to prevent excessive drought, if there is drought, cut a single half-water drenched. One watering should be divided into 2-3 times. Gradually drenched. Then use calcium treasure (usual amount) + "magic square" No. 2 1000 times to spray the entire plant.
B. Disease control: A small amount of disease was found and removed promptly. The water was prevented by the above-mentioned prevention method, and the combination of Ca Bao (spray volume 20-30%) + “Magic Cube†2 was 800 times. Interval 4-6 days, then spray again, 2 times.
6, cotton rot
A. Prevention: To avoid excessive nitrogen, use potassium dihydrogen phosphate 150 times + seaweed extract 400 times + Scherfon 600 times, spray the entire plant after the dense leaves, interval 5 days, twice, Add light.
B. Controlling Diseases: When a diseased fruit has been found, it is necessary to spray the medicine after removing the diseased fruit first, kill 600 times Mengzi + 600 times Puhaigen + 400 times + "Magic Formula" + 300 times Scherfon, and once every 4 days. Focus on spraying on the result horizon.
Second, cowpea
Anthrax
A: Prevention: (1) Seed treatment, use 500 times of anthraquinone and 500 times of Rubik's Cube, soak for 20-30 minutes, remove and control dry. (2) The ratio of basal fertilizer should be dominated by farmyard fertilizers, supplemented with a small amount of diversified fertilizer (or without fertilizer), add a certain amount of active biological bacterial fertilizer, fully mix and apply the mixture and then loosen it again, and then combine and sow, Keep enough organic matter. (3) When the bean sprouts until the first crop emerges, it is sprayed once with 500 times the "Sergeful" + "Magic Formula" 1x 500 times.
B control disease: found disease, disease leaves removed in time. Then use anthraquinone Fumei 500 times + "magic square" 2 600 times + 600 times seaweed spray. In the absence of anthrax Fumei, it can be used instead. Interval 7 days, 3 times.
Root rot
It should be pointed out here: fungal root rot, gas damage, low humidity, airtight, standing and so on. For the fungal root rot, it is necessary to show a crushed cracked skin at the root, and the root pith is red-brown.
A. Prevention: When no disease occurs, use "Magic Formula" No. 1 600 times + 500 times seaweed essence to mix the roots; or add active bacteria in this formula.
B control disease: use active biological bacteria biological drugs, such as Yiwei, Baikang, Oxali, heavy enemy and other mixed in the "magic square" 400 times 400 times + Shirfu 400 times liquid rooting, control all or with high fierce Potassium acid 1000 times + "magic square" No. 2 600 times rooting, interval 10 days, again, a total of 2 times.
For other gas diseases and other physiological conditions (noting the degree of wilting at noon), it can be controlled within 3-6 days by simply using "Magic Formula" No. 2 500-300 times.
Third, cucumber
1. Downy mildew
A prevention: use "magic formula" No. 2 500 times + gene activator 1000 times + seaweed 400 times + sugar 300 times + vinegar 300 times. Seek condensation on the foliage, or spray on cloudy, low temperatures after watering.
B control disease: In the morning, see the leaves with water-immersed lesions with 300 times the amount of aluminum triethyl phosphate or metalaxyl 800 times + "magic square" 2 500 times + glucose powder 300 times + 300 times vinegar. Can also be used bio-drug Astra 600 times + fast net 2000 times + "magic" 600 times spray. Interval 3-4 days again. Afternoon - late evening spray.
2, bacterial angular spot
A. Prevention: spray 4000 times with agricultural streptomycin, 300 times with "magic square" 2, and 500 times with seaweed.
B control disease: 600 times with Kecong + "magic" 800 times + Scherfon 300 times (no sugar). Interval 7 days once, 2-3 times.
3, prevent melon problems
(1) Suitable moisture, not too wet, watering in the morning.
(2) The temperature is not higher than 32 °C (35 °C will be more than melon).
(3) Spray chemical sterilization, pesticide concentration can not be too high, should be limited to the amount of commonly used, and the "magic cube" mix.
(4) Use "magic cube" + nutrition to promote strong, induce resistance and increase production.
(5) If necessary, use 9200ppm + "magic cube" No. 2 600 times + Scherfon 300 times to spray the foliage once.
(6) Excessively larvae, keep 1-2 leaves and 1 melon.
4, flower topping solution
The main reason for the flower topping is due to the flowering period, excessive drought, high androgenic hormones, and excessive temperature in the greenhouse.
Solution: First, remove all the male flowers at the growing point, and increase the growth point to 4-6 leaves sneeze 120 3000 times + "magic square" 2 400 times + seaweed fine 800 times 1 time. Drain the water slowly in the ditch (the excessive drought can be divided into two waterings. It can return to normal after one week).
Four, spinach
1. Viral disease: 1,200 times fledgling with disinfection, or 300 times of pyrimizin + 800 times of "magic square" 2 + 700 times of seaweed extract, once every 8 days, 2 times. (Alternatively, there may be excessive amounts of hormones accumulated in the soil, which can be used as follows: 9200ppm + "magic formula" 2 300 times + urea 150 times foliar spraying, once every 4 days, 2-3 times. If there is no seedling, sowing When the seed is covered with soil, it sprays 92 O + "magic cube" No. 1).
2. Downy mildew
A prevention: mainly occurs in autumn spinach.
(1) Seeding can not be too dense, suitable for degree.
(2) In the foggy day or on the afternoon of the first 2-3 days after the rain, it is timely to spray 300 times of white sugar to the foliage with the method of making up the leaf surface fertilizer + 400 times of the "magic square" 1 and 300 times of the "Serfco".
B control disease: see the leaves have macular or early detection of leaf-shaped spots on the back of the water. Can be used on the same day in the afternoon with ELITE 600 times + "magic" 2 400 times + Yi Bao 2000 times + 300 times glucose powder, 1 control disease does not affect growth.
3, black spot (circular or oval)
A prevention: 1000 times with the gene activator + "magic square" 2 700 times + 150 times potassium dihydrogen phosphate + 800 times seaweed, in the lack of sunlight, no wind and wet weather spray.
B control disease: with metalaxyl manganese zinc 800 times + "magic square" 2 600 times + potassium dihydrogen phosphate 150 times + gene activator 1000 times, interval 4 days 1 time, twice.
4, gray mold
Spinach rarely occurs in gray spinach (the gray gray pili is gray mold).
A Prevention: Diluted sowing, ventilation, after the rain, calm weather in time in the evening to the leaf spray 600 grams of Terek + "Magic" 2 800 times + 1000 times seaweed.
B. Controlling disease: The diseased leaves are buried first, and then in the evening, they spray 600 times with Terek to the leaves, 800 times with the sea, and 800 times the number of the Rubik's cube. Interval 5 days, spray again.
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